Thomas was killed July 7 on Interstate 10 near the High Rise in a hit-and-run incident.

Investigators said they were able to trace the car involved in the hit-and-run to an auto body shop in the 2600 block of Gravier Street. Surveillance video showed the driver of the car entering the shop and others assisting in actions to conceal evidence.

Those indicted include Kenneth Halley and Justin McKey on manslaughter charges, and John Chambers and Nephateria Jones on charges of accessory after the fact to manslaughter.

The owner of the body shop, Bill Cager, and James Ratliff were indicted on conspiracy charges.

Police said they're still looking for Chambers. Anyone with information about his whereabouts is asked to call CrimeStoppers at 822-1111.

A Justice Department civil rights investigation has concluded that the Ferguson Police Department and the city's municipal court engaged in a "pattern and practice" of discrimination against African-Americans, targeting them disproportionately for tr...